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[hammond_zone] leslie 760 amp
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Chris Clifton
Hi Gandert,
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If I remember correctly, The black wire to the crossover is ground, the green is +30 volts, and the red going to the connection by the volume control is signal input. The two output wires are, red bass and orange treble. As long as you get the power supply and ground connections right, then test at low volume to start. You won't do any damage if the outputs are the wrong way round, it'll soon be obvious if treble is coming from the 15" speaker and bass from the horns, and as long as the volume is really low no harm will be done. Obviously if you find you have bass and treble the wrong way round switch off swap the connections and try again. What's wrong with the 760 amp. anyway? It may well be cheaper to repair than to buy a new amp. From the Weyr and from the Bowl, Bronze and brown and blue and green, Rise the dragonmen of Pern, Aloft on wing, seen, then unseen. Chris 50 & Laura 17, Sam(uel)15 and Emily 11 in Llanelli ----- Original Message -----
From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 2:49 PM Subject: [hammond_zone] leslie 760 amp Hi zone,The amp is broke. I already knew that. But i thought that what new crossover I should be able to connect the 760 speakers directly to my L100 amp. Well, not. The ohmage will be too low then. Now I'm searching for a new stereo amp that will handle a 4 and a 16 ohm speaker. But I still need a crossover. I thought maybe i'should be possible to use the 760 crossover. I went to take a look at it but i can't figure it out. I can see 3 wiresare going to the crossover and only two are going out. One wire is going to the treble amp and another to the bass amp. how should I wire this to a new stereo tube amp? presuming the left side of the amp is bass and the right side is treble.
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Gandert De Boo
Chris,
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Thanks for that info. You are probably right that it'll be cheaper to fix the 760 amp, but I woulds like to have a valve tone. And I see all these comments on the zone about replacing the 760 amp for a tube amp. I do know off course that not any tube amp will sound better, but any recommends? On the dutch ebay i saw a Dynaco with a stereo tube amp. It uses el84 tubes 17,5 watts per side. Could this be any good? Another question where is that +30 vlts coming from. How do I get it without using the 9 pin input? Gandert ----- Original Message -----
From: Chris Clifton To: hammond_zone@... Sent: Tuesday, February 26, 2002 5:11 PM Subject: Re: [hammond_zone] leslie 760 amp Hi Gandert, If I remember correctly, The black wire to the crossover is ground, the green is +30 volts, and the red going to the connection by the volume control is signal input. The two output wires are, red bass and orange treble. As long as you get the power supply and ground connections right, then test at low volume to start. You won't do any damage if the outputs are the wrong way round, it'll soon be obvious if treble is coming from the 15" speaker and bass from the horns, and as long as the volume is really low no harm will be done. Obviously if you find you have bass and treble the wrong way round switch off swap the connections and try again. What's wrong with the 760 amp. anyway? It may well be cheaper to repair than to buy a new amp. From the Weyr and from the Bowl, Bronze and brown and blue and green, Rise the dragonmen of Pern, Aloft on wing, seen, then unseen. Chris 50 & Laura 17, Sam(uel)15 and Emily 11 in Llanelli ----- Original Message ----- From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 2:49 PM Subject: [hammond_zone] leslie 760 amp > Hi zone, > > I'm still very busy to get the 760 working. But another problem occured. The amp is broke. I already knew that. But i thought that what new crossover I should be able to connect the 760 speakers directly to my L100 amp. Well, not. The ohmage will be too low then. Now I'm searching for a new stereo amp that will handle a 4 and a 16 ohm speaker. But I still need a crossover. I thought maybe i'should be possible to use the 760 crossover. > I went to take a look at it but i can't figure it out. I can see 3 wires are going to the crossover and only two are going out. One wire is going to the treble amp and another to the bass amp. how should I wire this to a new stereo tube amp? presuming the left side of the amp is bass and the right side is treble. > > gandert > > > > > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to > > > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Hi Gandert,
A stereo amp will not work the same as the amp that was built for your 760 Leslie. Speaker cabinets are of a very unique design and Leslie's are even more unique (that's why they cost so much). Replacing anything in a piece of Hammond or Leslie equip without a direct replacement part would be disastrous to the sound that you paid so dearly for. If you need help finding the right parts just ask the group. If we don't have them, we know where they can be found. Lyle, Hammond Master Tech On Tue, 26 Feb 2002 15:49:11 +0100 "Gandert De Boo" <bottomline@...> writes: Hi zone,________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: . |
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Hi Gandert,
If you want the tube sound and you can build electronic stuff, copy the amp from a 122 Leslie but incorporate the motor control circuits in your 760. If you can't build it, try to find an amp on ebay or, if you have the bucks, order a new 122 amp. I believe you are asking about the +30 volts which is developed in the Leslie's power supply. Lyle, Hammond Master Tech Tue, 26 Feb 2002 18:23:37 +0100 "Gandert De Boo" <bottomline@...> writes: Chris,________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: . |
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Chris Clifton
Quite so Lyle,
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Why reinvent the wheel when Messrs. Hammond and Leslie have already done such a good job? Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message -----
From: <felix-at-home@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 5:54 PM Subject: Re: [hammond_zone] leslie 760 amp Hi Gandert, --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 |
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Chris Clifton
Gandert,
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The +30 volts comes from the 760 power supply chassis. Without the 760 power supply you may have to make up a power supply for the crossover/preamp, a small transformer with 15 to 20 volts AC output a rectifier and a reservoir capacitor of a few 100 uF would probably do, you don't need a lot of power just make sure that it's sufficiently smoothed. The stock 760 amps had quite a good sound, I think that Leslies designed them to sound good with an organ, rather than to be Hi-Fi. The Dynaco would give you more power than the stock amp. in your L-100 (one pair EL84). I don't know how easy it would be to adapt to your purposes though. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message -----
From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 5:23 PM Subject: Re: [hammond_zone] leslie 760 amp Chris,the 760 amp, but I woulds like to have a valve tone. And I see all these comments on the zone about replacing the 760 amp for a tube amp. I do know off course that not any tube amp will sound better, but any recommends? On the dutch ebay i saw a Dynaco with a stereo tube amp. It uses el84 tubes 17,5 watts per side. Could this be any good? without using the 9 pin input? right, then test at low volume to start. You won't do any damage if theoutputs are the wrong way round, it'll soon be obvious if treble is coming fromthe 15" speaker and bass from the horns, and as long as the volume is reallylow no harm will be done. Obviously if you find you have bass and treblethe wrong way round switch off swap the connections and try again.than to buy a new amp.occured. The amp is broke. I already knew that. But i thought that what newcrossover I should be able to connect the 760 speakers directly to my L100 amp.Well, not. The ohmage will be too low then. Now I'm searching for a new stereoamp that will handle a 4 and a 16 ohm speaker. But I still need a crossover.I thought maybe i'should be possible to use the 760 crossover.wires are going to the crossover and only two are going out. One wire is goingto the treble amp and another to the bass amp. how should I wire this to anew stereo tube amp? presuming the left side of the amp is bass and theright side is treble. > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 |
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In a message dated 2/26/2002 4:07:20 PM Central Standard Time,
chris@... writes: Gandert,Gandert, Chris really is telling you the facts as they are !! We understand what you are looking for..... but, he is sending you in the right direction, I have been a dealer for 20+ years and the truth is..... If a group of people were standing outside a door, or across a field at an event, listening to Hammond and Leslie with good player, most would not or could not tell the difference in the type of Leslie being used.... Truth is..... Many would not know if it was clone or Hammond.. I can already feel the heat of a few flames heading this way... :) Chris will not mislead you or anyone about Hammonds... I do wish you well in your quest for the "right sound". Best regards, Bill Giardina Church Organ Center 1220 Thigpen Road Raymond, MS 39154 |
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Gandert De Boo
Lyle,
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You are right, off course another parts will affect the sound. Fortunately I paid 160 dollars for the 760, I knew the amp didn't work. But that gives me the oppurtunity to replace it with a tube amp. The thing with the 760 is that the bass speaker is 4 ohm. So I can't use a mono amp with a crossover. That way the impedance will be too low. But are there any tube amps that are capable off doing the job right. What tubes are required or will sound good? Thanks. Gandert ----- Original Message -----
From: felix-at-home@... To: hammond_zone@... Sent: Tuesday, February 26, 2002 6:54 PM Subject: Re: [hammond_zone] leslie 760 amp Hi Gandert, A stereo amp will not work the same as the amp that was built for your 760 Leslie. Speaker cabinets are of a very unique design and Leslie's are even more unique (that's why they cost so much). Replacing anything in a piece of Hammond or Leslie equip without a direct replacement part would be disastrous to the sound that you paid so dearly for. If you need help finding the right parts just ask the group. If we don't have them, we know where they can be found. Lyle, Hammond Master Tech On Tue, 26 Feb 2002 15:49:11 +0100 "Gandert De Boo" <bottomline@...> writes: > Hi zone, > > I'm still very busy to get the 760 working. But another problem > occured. The amp is broke. I already knew that. But i thought that > what new crossover I should be able to connect the 760 speakers > directly to my L100 amp. Well, not. The ohmage will be too low then. > Now I'm searching for a new stereo amp that will handle a 4 and a 16 > ohm speaker. But I still need a crossover. I thought maybe i'should > be possible to use the 760 crossover. > I went to take a look at it but i can't figure it out. I can see 3 > wires are going to the crossover and only two are going out. One > wire is going to the treble amp and another to the bass amp. how > should I wire this to a new stereo tube amp? presuming the left side > of the amp is bass and the right side is treble. > > gandert > > > > > > > > ------------------------ Yahoo! Groups Sponsor > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to > > > > ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: . Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Gandert De Boo
Chris,
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Maybe a dumb question, but how will the leslie amp's sound differ from a hifi amp? Another thing how can I connect the crossover to the hammond? Lots of questions but once I get my gear running properly, I will be very thankful(actually I already am) Gandert ----- Original Message -----
From: Chris Clifton To: hammond_zone@... Sent: Tuesday, February 26, 2002 7:27 PM Subject: Re: [hammond_zone] leslie 760 amp Gandert, The +30 volts comes from the 760 power supply chassis. Without the 760 power supply you may have to make up a power supply for the crossover/preamp, a small transformer with 15 to 20 volts AC output a rectifier and a reservoir capacitor of a few 100 uF would probably do, you don't need a lot of power just make sure that it's sufficiently smoothed. The stock 760 amps had quite a good sound, I think that Leslies designed them to sound good with an organ, rather than to be Hi-Fi. The Dynaco would give you more power than the stock amp. in your L-100 (one pair EL84). I don't know how easy it would be to adapt to your purposes though. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message ----- From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 5:23 PM Subject: Re: [hammond_zone] leslie 760 amp > Chris, > > Thanks for that info. You are probably right that it'll be cheaper to fix the 760 amp, but I woulds like to have a valve tone. And I see all these comments on the zone about replacing the 760 amp for a tube amp. I do know off course that not any tube amp will sound better, but any recommends? On the dutch ebay i saw a Dynaco with a stereo tube amp. It uses el84 tubes 17,5 watts per side. Could this be any good? > > Another question where is that +30 vlts coming from. How do I get it without using the 9 pin input? > > Gandert > ----- Original Message ----- > From: Chris Clifton > To: hammond_zone@... > Sent: Tuesday, February 26, 2002 5:11 PM > Subject: Re: [hammond_zone] leslie 760 amp > > > Hi Gandert, > If I remember correctly, The black wire to the crossover is ground, the > green is +30 volts, and the red going to the connection by the volume > control is signal input. The two output wires are, red bass and orange > treble. As long as you get the power supply and ground connections right, > then test at low volume to start. You won't do any damage if the outputs > are the wrong way round, it'll soon be obvious if treble is coming from the > 15" speaker and bass from the horns, and as long as the volume is really low > no harm will be done. Obviously if you find you have bass and treble the > wrong way round switch off swap the connections and try again. > What's wrong with the 760 amp. anyway? It may well be cheaper to repair than > to buy a new amp. > > From the Weyr and from the Bowl, > Bronze and brown and blue and green, > Rise the dragonmen of Pern, > Aloft on wing, seen, then unseen. > > Chris 50 & Laura 17, Sam(uel)15 and Emily 11 in Llanelli > > ----- Original Message ----- > From: "Gandert De Boo" <bottomline@...> > To: <hammond_zone@...> > Sent: Tuesday, February 26, 2002 2:49 PM > Subject: [hammond_zone] leslie 760 amp > > > > Hi zone, > > > > I'm still very busy to get the 760 working. But another problem occured. > The amp is broke. I already knew that. But i thought that what new crossover > I should be able to connect the 760 speakers directly to my L100 amp. Well, > not. The ohmage will be too low then. Now I'm searching for a new stereo amp > that will handle a 4 and a 16 ohm speaker. But I still need a crossover. I > thought maybe i'should be possible to use the 760 crossover. > > I went to take a look at it but i can't figure it out. I can see 3 wires > are going to the crossover and only two are going out. One wire is going to > the treble amp and another to the bass amp. how should I wire this to a new > stereo tube amp? presuming the left side of the amp is bass and the right > side is treble. > > > > gandert > > > > > > > > > > > > > > > > > > Visit The Hammond Zone > > > > > > To unsubscribe from this group, send an email to: > > hammond_zone-unsubscribe@... > > > > > > > > Your use of Yahoo! Groups is subject to > > > > > > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (). > Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 > > > Yahoo! Groups Sponsor > ADVERTISEMENT > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to > > > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Chris Clifton
Gandert,
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Design philosophy of a Hi-Fi amp is that it should have no "sound" of it's own, i.e. should neither add to or remove anything from the original signal, just amplify "transparently". On the other hand the designer of a musical instrument amp does not have to restrict himself to building a design that has an absolutely flat frequency response and as near zero distortion as possible. Bumps and troughs in the frequency response may actually be desirable if the end result complements the instrument and produces a pleasing overall sound. Similarly distortion is not always an evil to be removed at any cost, the right type of distortion adds character and warmth to the sound of an organ or electric guitar, but would be unacceptable in a music reproduction system. I know my electric guitar sounds terrible played through a Hi-Fi system, I suspect Hammond organ would also. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message -----
From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 7:41 PM Subject: Re: [hammond_zone] leslie 760 amp Chris,hifi amp? Another thing how can I connect the crossover to the hammond?thankful(actually I already am)
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Gandert De Boo
Chris,
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You got a point there. I also am a guitar player. And indeed nothing beats my fender twin especially a hifi amp. Bu what should i buy then? There were people on the zone that by replacing the 760 amp with a tube amp you could have a real nice sounding leslie. What amp is meant here? Gandert ----- Original Message -----
From: Chris Clifton To: hammond_zone@... Sent: Tuesday, February 26, 2002 9:04 PM Subject: Re: [hammond_zone] leslie 760 amp Gandert, Design philosophy of a Hi-Fi amp is that it should have no "sound" of it's own, i.e. should neither add to or remove anything from the original signal, just amplify "transparently". On the other hand the designer of a musical instrument amp does not have to restrict himself to building a design that has an absolutely flat frequency response and as near zero distortion as possible. Bumps and troughs in the frequency response may actually be desirable if the end result complements the instrument and produces a pleasing overall sound. Similarly distortion is not always an evil to be removed at any cost, the right type of distortion adds character and warmth to the sound of an organ or electric guitar, but would be unacceptable in a music reproduction system. I know my electric guitar sounds terrible played through a Hi-Fi system, I suspect Hammond organ would also. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message ----- From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 7:41 PM Subject: Re: [hammond_zone] leslie 760 amp > Chris, > > Maybe a dumb question, but how will the leslie amp's sound differ from a hifi amp? > Another thing how can I connect the crossover to the hammond? > Lots of questions but once I get my gear running properly, I will be very thankful(actually I already am) > > Gandert > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Gandert De Boo
About a hifi amp.
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If I use the l100 amp(el84) I will get the organ amp sound, right? Off course a leslie amp will sound different but my leslie 125 is now connected directly to the same amp(i don't use the leslie amp) and I like the sound of it(!). So when I get a hifi amp which will sound flat, the sound of the hammond amp will not change much, right? It's just a thought. Gandert ----- Original Message -----
From: Gandert De Boo To: hammond_zone@... Sent: Tuesday, February 26, 2002 9:13 PM Subject: Re: [hammond_zone] leslie 760 amp Chris, You got a point there. I also am a guitar player. And indeed nothing beats my fender twin especially a hifi amp. Bu what should i buy then? There were people on the zone that by replacing the 760 amp with a tube amp you could have a real nice sounding leslie. What amp is meant here? Gandert ----- Original Message ----- From: Chris Clifton To: hammond_zone@... Sent: Tuesday, February 26, 2002 9:04 PM Subject: Re: [hammond_zone] leslie 760 amp Gandert, Design philosophy of a Hi-Fi amp is that it should have no "sound" of it's own, i.e. should neither add to or remove anything from the original signal, just amplify "transparently". On the other hand the designer of a musical instrument amp does not have to restrict himself to building a design that has an absolutely flat frequency response and as near zero distortion as possible. Bumps and troughs in the frequency response may actually be desirable if the end result complements the instrument and produces a pleasing overall sound. Similarly distortion is not always an evil to be removed at any cost, the right type of distortion adds character and warmth to the sound of an organ or electric guitar, but would be unacceptable in a music reproduction system. I know my electric guitar sounds terrible played through a Hi-Fi system, I suspect Hammond organ would also. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message ----- From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 7:41 PM Subject: Re: [hammond_zone] leslie 760 amp > Chris, > > Maybe a dumb question, but how will the leslie amp's sound differ from a hifi amp? > Another thing how can I connect the crossover to the hammond? > Lots of questions but once I get my gear running properly, I will be very thankful(actually I already am) > > Gandert > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Chris Clifton
Gandert,
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If you want to make your 760 sound exactly like a 122, then you'll need a 40 watt tube amp, and a 16 ohm bass driver and crossover to match. If I was you I'd take the easy route and repair the 760, which is a pretty good sound, and put the tube amp conversion on a back burner until I could find the right parts for the job. Chris Clifton ----- Original Message -----
From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 8:13 PM Subject: Re: [hammond_zone] leslie 760 amp Chris,my fender twin especially a hifi amp. Bu what should i buy then? There were people on the zone that by replacing the 760 amp with a tube amp you could have a real nice sounding leslie. What amp is meant here? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002 |
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Gandert De Boo
Chris,
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I guess I want to much. If you say the 760 amp sound fine, I just have to believe you. I never heard one! OK I will focus from now on to fix the 760 amp. But first what is the most common think to look for in a broken 760 amp? And how can I connect it to the 26-1 kit(leslie 125). The motorswitching has almost been taken care of(thanks for that info on the capacitors BTW). But I will need the +30v for the crossover, AC for the amp and a signal from the hammond poweramp. Won't this signal from the poweramp be too loud? Gandert ----- Original Message -----
From: Chris Clifton To: hammond_zone@... Sent: Tuesday, February 26, 2002 11:04 PM Subject: Re: [hammond_zone] leslie 760 amp Gandert, If you want to make your 760 sound exactly like a 122, then you'll need a 40 watt tube amp, and a 16 ohm bass driver and crossover to match. If I was you I'd take the easy route and repair the 760, which is a pretty good sound, and put the tube amp conversion on a back burner until I could find the right parts for the job. Chris Clifton ----- Original Message ----- From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 8:13 PM Subject: Re: [hammond_zone] leslie 760 amp > Chris, > > You got a point there. I also am a guitar player. And indeed nothing beats my fender twin especially a hifi amp. Bu what should i buy then? There were people on the zone that by replacing the 760 amp with a tube amp you could have a real nice sounding leslie. What amp is meant here? > --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002 Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Chris Clifton
Gandert,
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First thing to do is get yourself to www.captain-foldback.com , go to the Leslie section and download the 760 manual it's a.zip file with the entire owners manual including schematics as .jpg scans. Common faults that I have found are ; R2 32 ohm 10 watt on the power supply comes loose where it's soldered to the board, no +32 volts to crossover or drivers of power amps = no sound. Very occasionally the output transistors fail, usually short circuit collector to emitter, this usually causes the mains fuse to blow as soon as you switch on. Otherwise it is known for people to force the 9 pin plug on the wrong way round and apply 240 volts to the input or speed switching circuits. If this has happened the blackened and burnt components are a dead give-away, you just have to work through it and replace all the burnt out transistors, resistors etc. I would be inclined to get a 9 pin socket to replace the 6 pin one on your 26-1 kit and rewire it to suit the 760, the major difference is in the speed switching, the 760 connects pin 6 to ground for fast, pin 7 to ground for slow, and leaves both open for stop. AC power is on pins 8 & 9 and the +32 (30) for crossover comes from the Leslie power supply. The 760, like most Leslies is designed to work with speaker level input from the output of an organ power amplifier. You'll find that the manual gives a good explanation of the operation of the speed switching, as well as voltage readings throughout the amp. to help you fault find. Chris Clifton There is a theory which states that if anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. Douglas Adams ----- Original Message -----
From: "Gandert De Boo" <bottomline@...> To: <hammond_zone@...> Sent: Tuesday, February 26, 2002 10:44 PM Subject: Re: [hammond_zone] leslie 760 amp Chris,believe you. I never heard one! OK I will focus from now on to fix the 760 amp. But first what is the most common think to look for in a broken 760 amp?And how can I connect it to the 26-1 kit(leslie 125). The motorswitching has almost been taken care of(thanks for that info on the capacitors BTW). But I will need the +30v for the crossover, AC for the amp and a signal from the hammond poweramp. Won't this signal from the poweramp be too loud? --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (). Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/02 |
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David Hagler
--- daddina@... wrote:
If a group of people were standing outside a door, or across a field at an event, listening to Hammond and Leslie with good player, most would not or could not tell the difference in the type of Leslie being used.... Truth is..... Many would not know if it was clone or Hammond.. No flames warranted here. I would agree 100%. I used a 760 Leslie for quite a while & it was a really good sounding Leslie. The only place I felt it lacked was the lack of overdrive when you wanted that gritty sound. That can be achieved for a much lower price than a tube amp modified 760 by adding a tube preamp like the Speakeasy Vintage or similar inline between the organ & Leslie. That would fool anyone from a distance. Eventually you may switch to a tube amp for the Leslie, but wait until you can do it right. It's an easy switch with the right amp & crossover & you'll be much happier. DDH ===== "...when I had no wings to fly, you flew to me..." *My Band - *My Gear - __________________________________________________ Do You Yahoo!? Yahoo! Greetings - Send FREE e-cards for every occasion! |
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Ken & Dianne Godfrey
Bill,
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I think you're absolutely right! The only time you may notice those subtleties of sound would be in a recording atmosphere, or your own living room. Most of the top players over the years had a stage set-up they would never dream of recording with. I think a 760 has at least 80% of that classic Leslie sound, and 90% of the population would never know it's not a 122 or 147. BCV-Ken -----Original Message----- |
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Ken & Dianne Godfrey
Hey Gandert!
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This is why you should fix your 760 amp: Is this guy HIGH, or what? BCV-KG -----Original Message----- |
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Gandert De Boo
Ken,
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That's high indeed. I only paid 190 euro's for it. That's about 160 dollars. a few euros for repairing the amp. But I'll never get to the 999 dollars!!!! Gandert ----- Original Message -----
From: Ken & Dianne Godfrey To: hammond_zone@... Sent: Saturday, March 02, 2002 2:07 AM Subject: RE: [hammond_zone] leslie 760 amp Hey Gandert! This is why you should fix your 760 amp: Is this guy HIGH, or what? BCV-KG > -----Original Message----- > From: Gandert De Boo [mailto:bottomline@...] > Sent: Tuesday, February 26, 2002 5:44 PM > To: hammond_zone@... > Subject: Re: [hammond_zone] leslie 760 amp > > > Chris, > > I guess I want to much. If you say the 760 amp sound fine, I just > have to believe you. I never heard one! OK I will focus from now > on to fix the 760 amp. > But first what is the most common think to look for in a broken > 760 amp? And how can I connect it to the 26-1 kit(leslie 125). > The motorswitching has almost been taken care of(thanks for that > info on the capacitors BTW). But I will need the +30v for the > crossover, AC for the amp and a signal from the hammond poweramp. > Won't this signal from the poweramp be too loud? > > Gandert > ----- Original Message ----- > From: Chris Clifton > To: hammond_zone@... > Sent: Tuesday, February 26, 2002 11:04 PM > Subject: Re: [hammond_zone] leslie 760 amp > > > Gandert, > If you want to make your 760 sound exactly like a 122, then > you'll need a 40 > watt tube amp, and a 16 ohm bass driver and crossover to match. > If I was > you I'd take the easy route and repair the 760, which is a pretty good > sound, and put the tube amp conversion on a back burner until I > could find > the right parts for the job. > Chris Clifton > > ----- Original Message ----- > From: "Gandert De Boo" <bottomline@...> > To: <hammond_zone@...> > Sent: Tuesday, February 26, 2002 8:13 PM > Subject: Re: [hammond_zone] leslie 760 amp > > > > Chris, > > > > You got a point there. I also am a guitar player. And indeed > nothing beats > my fender twin especially a hifi amp. Bu what should i buy > then? There were > people on the zone that by replacing the 760 amp with a tube > amp you could > have a real nice sounding leslie. What amp is meant here? > > > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (). > Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002 > > > Yahoo! Groups Sponsor > ADVERTISEMENT > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to > > Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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Don't worry .
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Neather will that guy. Mike ----- Original Message -----
From: Gandert De Boo To: hammond_zone@... Sent: Saturday, March 02, 2002 11:46 AM Subject: Re: [hammond_zone] leslie 760 amp Ken, That's high indeed. I only paid 190 euro's for it. That's about 160 dollars. a few euros for repairing the amp. But I'll never get to the 999 dollars!!!! Gandert ----- Original Message ----- From: Ken & Dianne Godfrey To: hammond_zone@... Sent: Saturday, March 02, 2002 2:07 AM Subject: RE: [hammond_zone] leslie 760 amp Hey Gandert! This is why you should fix your 760 amp: Is this guy HIGH, or what? BCV-KG > -----Original Message----- > From: Gandert De Boo [mailto:bottomline@...] > Sent: Tuesday, February 26, 2002 5:44 PM > To: hammond_zone@... > Subject: Re: [hammond_zone] leslie 760 amp > > > Chris, > > I guess I want to much. If you say the 760 amp sound fine, I just > have to believe you. I never heard one! OK I will focus from now > on to fix the 760 amp. > But first what is the most common think to look for in a broken > 760 amp? And how can I connect it to the 26-1 kit(leslie 125). > The motorswitching has almost been taken care of(thanks for that > info on the capacitors BTW). But I will need the +30v for the > crossover, AC for the amp and a signal from the hammond poweramp. > Won't this signal from the poweramp be too loud? > > Gandert > ----- Original Message ----- > From: Chris Clifton > To: hammond_zone@... > Sent: Tuesday, February 26, 2002 11:04 PM > Subject: Re: [hammond_zone] leslie 760 amp > > > Gandert, > If you want to make your 760 sound exactly like a 122, then > you'll need a 40 > watt tube amp, and a 16 ohm bass driver and crossover to match. > If I was > you I'd take the easy route and repair the 760, which is a pretty good > sound, and put the tube amp conversion on a back burner until I > could find > the right parts for the job. > Chris Clifton > > ----- Original Message ----- > From: "Gandert De Boo" <bottomline@...> > To: <hammond_zone@...> > Sent: Tuesday, February 26, 2002 8:13 PM > Subject: Re: [hammond_zone] leslie 760 amp > > > > Chris, > > > > You got a point there. I also am a guitar player. And indeed > nothing beats > my fender twin especially a hifi amp. Bu what should i buy > then? There were > people on the zone that by replacing the 760 amp with a tube > amp you could > have a real nice sounding leslie. What amp is meant here? > > > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (). > Version: 6.0.325 / Virus Database: 182 - Release Date: 19/02/2002 > > > Yahoo! Groups Sponsor > ADVERTISEMENT > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. > > > > > > > > Visit The Hammond Zone > > > To unsubscribe from this group, send an email to: > hammond_zone-unsubscribe@... > > > > Your use of Yahoo! Groups is subject to > > Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. Yahoo! Groups Sponsor ADVERTISEMENT Visit The Hammond Zone To unsubscribe from this group, send an email to: hammond_zone-unsubscribe@... Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
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